BR8603672A - Processo para a deslignificacao de materias celulosicas - Google Patents

Processo para a deslignificacao de materias celulosicas

Info

Publication number
BR8603672A
BR8603672A BR8603672A BR8603672A BR8603672A BR 8603672 A BR8603672 A BR 8603672A BR 8603672 A BR8603672 A BR 8603672A BR 8603672 A BR8603672 A BR 8603672A BR 8603672 A BR8603672 A BR 8603672A
Authority
BR
Brazil
Prior art keywords
cellulosic materials
designification
treated
conditions
cellulosic
Prior art date
Application number
BR8603672A
Other languages
English (en)
Portuguese (pt)
Inventor
Josef S Gratzl
Original Assignee
Interox
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Interox filed Critical Interox
Publication of BR8603672A publication Critical patent/BR8603672A/pt

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes

Landscapes

  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • External Artificial Organs (AREA)
  • Materials For Medical Uses (AREA)
  • Dental Preparations (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
BR8603672A 1985-08-05 1986-08-04 Processo para a deslignificacao de materias celulosicas BR8603672A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76272685A 1985-08-05 1985-08-05

Publications (1)

Publication Number Publication Date
BR8603672A true BR8603672A (pt) 1987-03-10

Family

ID=25065883

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8603672A BR8603672A (pt) 1985-08-05 1986-08-04 Processo para a deslignificacao de materias celulosicas

Country Status (13)

Country Link
EP (1) EP0212329B1 (no)
JP (1) JPH0742670B2 (no)
AT (1) ATE57400T1 (no)
AU (1) AU591509B2 (no)
BR (1) BR8603672A (no)
CA (1) CA1311093C (no)
DE (1) DE3674859D1 (no)
ES (1) ES2000385A6 (no)
FI (1) FI85726C (no)
NO (1) NO168490C (no)
NZ (1) NZ217002A (no)
PT (1) PT83118B (no)
YU (1) YU45351B (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN167959B (no) * 1985-08-05 1991-01-12 Interox

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1474276A (fr) * 1965-03-19 1967-03-24 Electro Chimie Soc D Perfectionnements à la fabrication de pâte à papier
SE373896B (no) * 1972-07-05 1975-02-17 Mo Och Domsjoe Ab
SE380298B (sv) * 1974-03-14 1975-11-03 Mo Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material
SE7612248L (sv) * 1976-11-03 1978-05-04 Mo Och Domsjoe Ab Kokning av lignocellulosahaltiga material
SU821614A1 (ru) * 1979-06-19 1981-04-15 Белорусский Технологический Институт Им.C.M.Кирова Способ получени целлюлозного полу-фАбРиКАТА
IN167959B (no) * 1985-08-05 1991-01-12 Interox

Also Published As

Publication number Publication date
FI85726B (fi) 1992-02-14
AU591509B2 (en) 1989-12-07
FI863194A0 (fi) 1986-08-05
DE3674859D1 (de) 1990-11-15
NO863133L (no) 1987-02-06
AU6054486A (en) 1987-02-12
FI863194A (fi) 1987-02-06
NO863133D0 (no) 1986-08-04
PT83118B (pt) 1988-10-14
CA1311093C (fr) 1992-12-08
NO168490B (no) 1991-11-18
NZ217002A (en) 1988-11-29
PT83118A (fr) 1986-09-01
ATE57400T1 (de) 1990-10-15
FI85726C (fi) 1992-05-25
NO168490C (no) 1992-02-26
JPH0742670B2 (ja) 1995-05-10
ES2000385A6 (es) 1988-02-16
EP0212329A1 (fr) 1987-03-04
JPS6297992A (ja) 1987-05-07
YU136986A (en) 1987-10-31
YU45351B (en) 1992-05-28
EP0212329B1 (fr) 1990-10-10

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 04/08/2001